McArdle — On the Hepaticce of the Hill of Soivth. 115 



leaves, single. Rare ; on a moist bank amongst the rocks near 

 Sutton, Cliffs on Ireland's Eye ; sparingly in both places. 



11. Cephalozia hicuspidata, Linn. Hook Brit. Jung. tab. 11 et Suppt. 



t. 4. Damp, shady places; common, abundant about Sutton, 

 and on a ditch bank near the Baily Lighthouse. 

 Cephalozia bicuspidata, var. A curious dwarf, reddish-coloured 

 form occurs amongst the rocks at the Lighthouse, and also on 

 the cliffs on Ireland's Eye. 



12. Cephalozia lammersiana, Huben., Hepat. Germ. 185. J. licuspi- 



data y ulignosa, Nees. Eur. Leberm, 2. 253, et [ex parte) yy 

 olliquata, Nees, i., c. 254. Jungermanid hicuspidata, E., Bot. 

 t. 2239. Plentiful in damp boggy places on most parts of the 

 hill. 



13. Cephalozia ^'curvifolia, Dicks., Hook Brit. Jung., tab. 15 et Supp., 



t. 1, ex parte, evidently not the true plant, more like C. 

 lammersiana. J. curvifolia, Carrington, in Trans. Bot. Soc. 

 Edin,, vol. 7, pi. 2, fig. 4, vera. (Plate lY.) On shallow peat, 

 under the branches of Erica, and on decayed vrood, plentiful 

 near Ballykill and several stations on the hill, 



14. Cephalozia connivens, Dicks., Hook Brit. Jung., tab. 15. E. Bot., 



t. 2436. Yery scarce ; on a small bog on the Sutton side of 

 the hiU. 



15. '^Cephalozia multifora, Spruce, = C. media, Lindb. Meddel, Soc. 



Eenn. Spruce on Cephalozia, p, 37. Excellent description. 

 Yery scarce, near the quarries on the Sutton side of the hill, 



16. * Cephalozia catenulata, Huben. Hepaticol. German. 169. Junger- 



mania catenulata, Nees. Hepat. Eur. 2. 248 et Syn, Hepat, J. 

 reclusa, Tayl., Lond. Jour, Bot., 1846. Spruce Hep. Pyren., 

 No. 41, 1847, et Trans. Bot. Soc. Edin., 1849. J. catenulata. 

 Carrington, in Trans, Bot, Soc, Edin, 7, p. 449, t, 11. 

 fig, 2, vera. Dioecious ; tufts shallow, extensive, olive brown ; 

 stems rigid, terete, flexuose, catenulate ; leaves scarcely 

 broader than the stem, roundish, quadrate, upper ones erect, 

 lower semi-vertical, secund, all concave, adpressed, divided 

 about half-way by a rather obtuse sinus, the segments acute. 

 Fruit terminal, on short branches ; perichaetial 1. 2, 3, fid. 

 appressed, entire, perianth lanceolate, trigonous, apex minutely 

 toothed, capsule elliptical, brown ( Carrington). The following 

 are the more salient portions of Hubener's account of the plant 

 condensed by Dr. Spruce in his valuable work on the Cepha- 

 lozia, p. 34, to which I would refer the readers for a fuller 



